<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        function Person(name,age){
            this.name = name
            this.age = age
            this.sayHi = function(){
                console.log('你好');
            }    
        }
        const jennie = new Person('jennie',23)
        const lisa = new Person('lisa',24)
        console.log(jennie);
        console.log(lisa);
        jennie.sayHi()
        lisa.sayHi()
        console.log(jennie.sayHi === lisa.sayHi);
    </script>
</body>
</html>